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UCC28070QPWRQ1
Power Factor Correction - PFC AC 2-Ph Interleaved CCM PFC Controller
UCC28070QPWRQ1
Power Factor Correction - PFC AC 2-Ph Interleaved CCM PFC Controller
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Manufacturer Part # : UCC28070QPWRQ1
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Package/Case: TSSOP-20
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Brand: Texas Instruments
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Product Categories : PFC (Power Factor Correction)
Quality Assurance
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Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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UCC28070QPWRQ1 DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
Specifically designed for automotive applications, the UCC28070QPWRQ1 serves as an efficient voltage-mode PWM controller for offline flyback converters. Its implementation of a high-performance critical conduction mode (CRM) control results in superior operational efficiency and reduced standby power consumption. The device's wide input voltage range of 4.5V to 30V caters to a variety of automotive power supply designs, demonstrating its adaptability in different environments. Operating at a fixed frequency of 100kHz, with the option for precise synchronization to an external clock signal, this controller offers enhanced flexibility and control. Equipped with a comprehensive range of protection features, including overcurrent protection, overvoltage protection, and thermal shutdown, the UCC28070QPWRQ1 prioritizes system safety and reliability. Its built-in soft start function further contributes to a smooth startup process, preventing potential damage from inrush currents. The device's compact TSSOP-14 package, complemented by thermal enhancements, makes it an ideal choice for space-constrained automotive applications, ensuring seamless integration and optimal performance
Key Features
- Fault tolerance for continued operation in the event of a fault
- Reduced electromagnetic interference for improved system performance
- Precise control over output voltage and current
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Topology | Boost | Control mode | CCM |
| Switching frequency (max) (kHz) | 300 | UVLO thresholds on/off (V) | 10.2/9.2 |
| Vin (max) (V) | 21 | Features | Automotive qualified, Feed-forward Correction, Frequency Dithering, Interleaved, Programable Switching Frequency, Programmable Soft-start, Synchronizable |
| Rating | Automotive | Operating temperature range (°C) | -40 to 125 |
| Duty cycle (max) (%) | 98 |
FAQs
What is UCC28070QPWRQ1?
The UCC28070QPWRQ1 is a versatile, high-performance, active power factor correction (PFC) controller designed by Texas Instruments. It is specifically designed for automotive applications and is well-suited for power supplies in electric vehicles, hybrid electric vehicles, and other automotive systems.
How Does UCC28070QPWRQ1 Work?
The UCC28070QPWRQ1 operates by regulating the input current to achieve a near unity power factor. It utilizes advanced control techniques to ensure efficient and reliable power conversion. The controller features a range of protection and diagnostic features to ensure safe and robust operation in automotive environments.
How Many Pins does UCC28070QPWRQ1 have and What are the Functions of the Pinout Configuration?
The UCC28070QPWRQ1 is housed in a 16-pin TSSOP (Thin Shrink Small Outline Package) package. The pinout configuration includes:
- VSENSE: Voltage feedback pin for PFC loop.
- ISENSE: Current feedback pin for PFC loop.
- VDD: Power supply pin.
- RT, CT: Timing components for the PFC controller.
- COMP: Compensation pin for PFC loop.
- FB: Voltage feedback pin for the PWM controller.
- SD, RT/SD, OVP: Shutdown, overvoltage protection, and soft start control pins.
- VS, OUTA, OUTB: Gate driver and output pins for the external power switch.
What are the Pros and Cons of UCC28070QPWRQ1?
Pros:
- Automotive Qualified: Specifically designed and qualified for automotive applications.
- Active Power Factor Correction: Ensures high power factor and low harmonic distortion for efficient power conversion.
- Robust Protection Features: Includes overvoltage protection and fault detection for improved system reliability.
- Compact Package: The 16-pin TSSOP package is space-efficient and suitable for automotive power supply designs.
Cons:
- Application Specific: Tailored for automotive applications and may not be suitable for other non-automotive power supply designs.
- Complexity: Requires careful consideration of loop compensation and external component selection for optimal performance.
Are There Any Equivalents/Alternatives to UCC28070QPWRQ1 for Recommendation?
- The UCC28070 from Texas Instruments is a similar PFC controller for non-automotive applications.
- Alternatives to the UCC28070QPWRQ1 include the FAN7527 from ON Semiconductor and the MC33262 from NXP Semiconductors.
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